A compound has an empirical formula of ch2o with a molar mass of 60.0 g/mol. what is the molecular formula of the compound?

Respuesta :

The molecular formula becomes C2H4O2

A compound is a substance made of two or more elements in fixed proportions.

the empirical formula tells us the relative ratios of different atoms in a compound. The ratios hold true on the molar level as well. Thus, H2O is composed of two atoms of hydrogen and 1 atom of oxygen.

The empirical formula is Ch2o

Molar mass is 60 g/mol

x*C + 2x*H + x*O = 60

Where x is the number of atoms of the element

12*x + 2*x + 16*x =60

30*x = 60

x = 60 / 30

  = 2

Thus the molecular formula becomes C2H4O2

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